Received: by 2002:a05:6a10:a0d1:0:0:0:0 with SMTP id j17csp751436pxa; Wed, 12 Aug 2020 12:29:34 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwIrmxIQ5yRvgc/oVBOE+ghmQH7OQPtGDWvP4/F51mqejNNt6OPWLHaRMmVvlo47W8F9MuU X-Received: by 2002:a17:906:fb07:: with SMTP id lz7mr1345862ejb.49.1597260574115; Wed, 12 Aug 2020 12:29:34 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1597260574; cv=none; d=google.com; s=arc-20160816; b=cSrcMQtWCdegI4W7JSlkRdH4SZinUZZtaomGVB9Xz7Jw8QAasRgtG6go5b6ukp5sYC VsxC/nenxX//5mkovse/aAb7w8si2E4DIfbs/6Em4cmUyM6COIOI6PmhdKDD+LtcnQl5 uLXACpO/7eeNu+I3j2dC2FgPZIQbbs4pAaANfR/lrscOVC3JS0vhpUsYNBzx0qRthcRT FAE1BuxWiPuFE2dDz00de9I2Rkh61weJYXxPV8Zyn/3wPj8px4Z79fGdEWtzvd1MNQoj XcsR8RSnHngc2bfr2im1K/z4/hVe8+25wkMz95puzdX2DPm2iSYUwF1PvNkOYtnug/eX n74Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:ironport-sdr:ironport-sdr; bh=DEP/1EGTT7pUjj8zBxWCH/E5c+7iONVEHFhVieY7eLg=; b=uZOjDUbpLRa+cEM9msD2qAlU5HquG/Kkjccw4q6lQL/CL+9qc2po49atx0mmqj4sod gG+VpIufLsDL9XiWgDyRQ4tkjXUB+bH2JZnRxjIOgYFTfLusnb4NcDOoD5/WrQmAdC8m mykGXxWl2Tbq/BKF7fCfwj/HzdUokxRApk0ymAysfk0aFfrrc3VwFrl5BU09Fx3Rfd3t 9K9miaN9KhQV/FG+tcX03wqiyRSd/DrBwurvIg8548Uxk5N0acCl6xk5JFgvu856u+hC MSMoD8nrsfvuO5CXPz3AzXy6VLT+UYQbKXU9kyuhYC22IVh/c1DMrE8yAK1osDBvZrkt +1NA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id a16si1784330ejx.411.2020.08.12.12.29.04; Wed, 12 Aug 2020 12:29:34 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726688AbgHLT2C (ORCPT + 99 others); Wed, 12 Aug 2020 15:28:02 -0400 Received: from mga18.intel.com ([134.134.136.126]:34390 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726587AbgHLT2A (ORCPT ); Wed, 12 Aug 2020 15:28:00 -0400 IronPort-SDR: zoXD7keQ3URsOwAfjv5Ebb2pKraph742aIu/rKwzfAAijEfiOrTnDhyaXmTO73XrvU6gBHk3P/ L9k0Grsnqx5g== X-IronPort-AV: E=McAfee;i="6000,8403,9711"; a="141673016" X-IronPort-AV: E=Sophos;i="5.76,305,1592895600"; d="scan'208";a="141673016" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Aug 2020 12:27:59 -0700 IronPort-SDR: /2rCWyevFd4pRorsikkBmd6R7lSJUGswtFRds8dYx9r1HVg3Y5eUzp0wDhDYBrEjwnyXchV502 h9TMyZTPB0eA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.76,305,1592895600"; d="scan'208";a="327304449" Received: from sjchrist-coffee.jf.intel.com ([10.54.74.160]) by fmsmga002.fm.intel.com with ESMTP; 12 Aug 2020 12:27:59 -0700 From: Sean Christopherson To: Paolo Bonzini Cc: Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Peter Shier , Ben Gardon Subject: [PATCH v2 0/2] KVM: x86/mmu: Zap orphaned kids for nested TDP MMU Date: Wed, 12 Aug 2020 12:27:56 -0700 Message-Id: <20200812192758.25587-1-sean.j.christopherson@intel.com> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org As promised, albeit a few days late. Ben, I kept your performance numbers even though it this version has non-trivial differences relative to what you tested. I assume we'll need a v3 anyways if this doesn't provide the advertised performance benefits. Ben Gardon (1): KVM: x86/MMU: Recursively zap nested TDP SPs when zapping last/only parent Sean Christopherson (1): KVM: x86/mmu: Move flush logic from mmu_page_zap_pte() to FNAME(invlpg) arch/x86/kvm/mmu/mmu.c | 38 ++++++++++++++++++++++------------ arch/x86/kvm/mmu/paging_tmpl.h | 7 +++++-- 2 files changed, 30 insertions(+), 15 deletions(-) -- 2.28.0